Book jacket



FIG. 1 is a top perspective view in a closed configuration of my book jacket;

FIG. 2 is a left side view in a closed configuration thereof;

FIG. 3 is a front view in a closed configuration thereof;

FIG. 4 is a bottom view in a closed configuration thereof;

FIG. 5 is a top view in a closed configuration thereof;

FIG. 6 is a front view in a closed configuration thereof;

FIG. 7 is a front perspective view in an open configuration thereof;

FIG. 8 is a front view in an open configuration thereof;

FIG. 9 is a left side view in an open configuration thereof; and,

FIG. 10 is a front view in a closed configuration of my book jacket.

The broken lines are for environmental purposes only and form no part of the claimed design. 

CLAIM I claim the ornamental design for a book jacket, as shown and described. 